大數(shù)據(jù)就業(yè)實(shí)戰(zhàn)培訓(xùn) Oracle就業(yè)實(shí)戰(zhàn)培訓(xùn)
Oracle OCP 19c 認(rèn)證1Z0-083考試題庫(kù)(第13題)-CUUG內(nèi)部學(xué)員版083題庫(kù)解析
13、choose the best answer
You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. Which method or feature should you use?
A. Database Replay
B. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
C. Active Session History (ASH) report
D. SQL Performance Analyzer
CUUG與ORACLE公司建立最核心、最權(quán)威、最深層次的戰(zhàn)略合作伙伴關(guān)系；
CUUG是唯一一家只做DBA就業(yè)培訓(xùn)和oracle認(rèn)證的授權(quán)機(jī)構(gòu)，28年培養(yǎng)數(shù)萬(wàn)名oracle技術(shù)人才；
CUUG金牌講師授課，來(lái)自一線的資深ORACLE OCM技術(shù)專(zhuān)家團(tuán)隊(duì)；
CUUG頂尖完善的學(xué)習(xí)體系，以甲骨文原廠ORACLE數(shù)據(jù)庫(kù)核心技術(shù)為教學(xué)課程；